• Are You Dealing With Acid Reflux?
    If you're dealing with heartburn that keeps you awake at night or noticing other signs of acid reflux, it's important to work with a qualified healthcare professional who can help Read more
  • Understanding Upper Endoscopy: Uses, Benefits, and Risks
    An endoscopy is a medical procedure where a flexible tube with a tiny camera is inserted into your body to examine internal organs. It's typically performed to diagnose digestive problems, Read more
  • When Should You Start Colon Cancer Screenings
    Colon cancer, the second leading cause of cancer-related deaths, arises in the colon or rectum due to abnormal cell growth. Screening for colon cancer is vital as it can detect Read more
  • How To Prevent Heartburn
    How to Prevent Heartburn Typical heartburn symptoms can usually be managed with dietary changes and over-the-counter medication, just about experiences these from time to time. But if you've been struggling with Read more
  • What Causes GERD?
    Just about everyone has at one point struggled with acid reflux symptoms, and although they're uncomfortable you can usually manage them by adjusting your diet and with over-the-counter medication. But Read more
  • What Triggers Acid Reflux?
    Are you living with acid reflux? Dr. Stephen Buto of Honolulu, HI is dedicated to helping you find relief from your suffering. Guide to Acid Reflux Triggers Acid reflux is no one’s Read more
  • What Happens During a Colonoscopy?
    A colonoscopy involves an internal screening of your digestive tract. Dr. Stephen Buto is a skilled gastroenterologist in Honolulu, HI. Read on to learn more about this procedure. What Is a Colonoscopy? A colonoscopy is Read more
  • Most Common Heartburn Treatments
    How your gastroenterologist in Honolulu, HI, can help with heartburn Everyone suffers from heartburn occasionally. It’s that heavy, burning feeling in your throat and chest. Your gastroenterologist is an expert at Read more
  • What To Expect From a Colon Cancer Screening
    Here's what you should know if you’re about to get a colon cancer screening. We know that when it comes to undergoing any diagnostic medical procedure that it’s normal to feel Read more

Our Location

Find us on the map

Hours of Operation

Our Regular Schedule

Stephen K. Buto, M.D.

Monday:

9:00 am-12:00 pm

2:00 pm-4:30 pm

Tuesday:

9:00 am-12:00 pm

2:00 pm-4:30 pm

Wednesday:

9:00 am-12:00 pm

Thursday:

9:00 am-12:00 pm

2:00 pm-4:30 pm

Friday:

9:00 am-12:00 pm

2:00 pm-4:30 pm

Saturday:

Closed

Sunday:

Closed

Patient Testimonials

  • "Thank you very much for your efficient and professional caring to take care of my colon health."
    A.K.
  • "Thank you so much for taking the time to meet with me to address my concerns and to perform the procedures. Your warm bedside manner and compassion were greatly appreciated! I am very thankful to have someone so thorough investigating my symptoms. Thank you!!!"
    E.I.
  • "Many thanks for a job well done. It was a huge relief going through the ordeal. Your easy going, soft sell of the procedure was a big help. It helped to put things in perspective and allowed me to be less apprehensive. Your efficient team worked swiftly and well. We are fortunate to have such up-to-date facilities and trained staff. We are very fortunate to have such fine medical care."
    R.L.
  • "Thank you for the extra special care you gave my dad during his recent gall bladder episode. My family and I truly appreciate your attention to dad’s case, your kindness, compassion, thoroughness, being there in the middle of the night, communication with the family, and just the heart with which you serve. I wish there were more doctors like you. God bless and keep you and your family."
    L.N.S.
  • "I can’t thank you enough for the extraordinary effort you went through to help me reach a conclusive diagnosis. You went over and beyond any expectation, and I thank you from the bottom of my heart for all the time and effort. My mind is at ease that I had the expertise of you and your colleagues to help me."
    J.T.
  • "Thank you for service above and beyond on a long Saturday afternoon, when my husband was in so much pain. It was very comforting to know that you were just a phone call away. We needed your instructions and advice, and it kept him from a hospital stay."
    C.S.
  • "Thank you for your wonderful expertise and care."
    J.H.
  • "It has been one week since my first colonoscopy. Thank you so much that the entire process and procedure went so smoothly. The time and effort in providing a thorough pre-consultation and explanation relieved me of my anxiety and concerns. The communication and follow through by your office was very helpful and appreciated! I sincerely appreciate your kind attention and excellent medical care in the successful accomplishment of my procedure"
    J.S.
  • "Thank you so much for your attentive and thorough care. I appreciate your acknowledging my anxiety over the anesthesia. And your attempt to alleviate it. It worked beautifully!!!"
    J.I.
  • "I have had my second procedure with Dr. Buto and Dr. Leong in 10 years. They and their staff were the most professional and courteous people that I have ever met. Everything was explained to me as to what was going to happen for prep, the procedure and after the procedure. I would highly recommend Dr. Buto, Dr. Leong and their staff."
    J.M.